Clinical Context
A typical patient is an adult presenting to an outpatient laboratory or hospital phlebotomy service with nonspecific systemic symptoms such as fever, malaise, weight loss, or suspected inflammatory disease where assessment of mucoprotein (seromucoid) level is requested as an adjunct inflammatory marker. The clinician (internal medicine, rheumatology, or infectious disease) orders P2038 for serum mucoprotein measurement to help evaluate acute-phase response or to follow known inflammatory conditions.
The clinical workflow: the provider places the laboratory order in the electronic health record specifying P2038. A certified phlebotomist obtains a blood specimen in the ambulatory clinic, hospital inpatient unit, or outpatient laboratory; samples are labeled and sent to the clinical laboratory. The laboratory performs the biochemical assay for mucoprotein (seromucoid) and reports a quantitative result to the ordering clinician. Results are interpreted alongside clinical findings and other inflammatory markers (for example, C-reactive protein or erythrocyte sedimentation rate) to support diagnosis, monitor disease activity, or assess response to therapy.
Coding Specifications
| Modifier | Description | When to Use |
|---|
26 | Professional component | Use when billing only the physician interpretation portion of a laboratory test when applicable (rare for automated lab assays). |
TC | Technical component | Use when billing only the technical component (laboratory processing and instrumentation) for the assay.
52 | Reduced services | Use when the test is partially performed or modified and a reduced service applies.
53 | Discontinued procedure | Use when specimen collection or testing was started but discontinued for patient safety or specimen issues.
59 | Data not available in the input. | Data not available in the input.
76 | Data not available in the input. | Data not available in the input.
90 | Data not available in the input. | Data not available in the input.
QX | Ordering/servicing NP/PA/other split | Use when a qualified non-physician practitioner orders and performs applicable parts of the service under payer rules.
QK | Qualified nonphysician practitioner billing | Use when a qualified nonphysician practitioner is the primary biller for the professional component per payer rules.
QY | Data not available in the input. | Data not available in the input.
| Taxonomy Code | Specialty | Notes |
|---|
207R00000X | Internal Medicine | Often orders inflammatory marker testing and manages chronic inflammatory conditions. |
207L00000X | Cardiology | May order mucoprotein testing when evaluating inflammatory contributions to cardiovascular disease.
207X00000X | Emergency Medicine | Orders acute inflammatory testing in undifferentiated ill patients.
2084P0800X | Clinical Pathology / Laboratory Medicine | Performs and interprets specialized laboratory testing and ensures analytic validity.
207K00000X | Infectious Disease | Uses mucoprotein levels as adjunctive data when assessing systemic infection or monitoring treatment response.
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|
R50.9 | Fever, unspecified | Fever prompts evaluation of inflammatory markers such as mucoprotein to help identify systemic inflammation or infection. |
R53.1 | Weakness | Nonspecific systemic symptoms like weakness may prompt ordering of inflammatory studies including mucoprotein.
M79.1 | Myalgia | Muscle pain in inflammatory myopathies or systemic inflammatory disorders may be evaluated with mucoprotein as an adjunct marker.
M05.79 | Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement | Rheumatologic conditions commonly use inflammatory markers to assess disease activity; mucoprotein may be ordered as adjunct information.
A41.9 | Sepsis, unspecified organism | In suspected systemic infection or sepsis, mucoprotein can be used alongside other acute-phase reactants to evaluate the inflammatory response.
K50.90 | Crohn's disease, unspecified, without complications | Chronic inflammatory bowel disease patients may have mucoprotein measured when monitoring systemic inflammation.
E11.9 | Type 2 diabetes mellitus without complications | Metabolic disorders with inflammation may be surveilled using inflammatory markers in selected clinical contexts.
C80.1 | Malignant neoplasm, primary site unknown; with metastasis | Neoplastic processes can cause systemic inflammatory responses; mucoprotein may be part of a broader inflammatory workup.
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|
36415 | Collection of venous blood by venipuncture | Commonly performed immediately prior to P2038 for specimen acquisition. |
80053 | Comprehensive metabolic panel | Often ordered alongside inflammatory testing to assess baseline metabolic status when evaluating systemic illness.
86140 | C-reactive protein; quantitative | Common concurrent inflammatory marker used with mucoprotein (seromucoid) to evaluate acute-phase response.
85652 | Erythrocyte sedimentation rate (Westergren) | Another complementary inflammatory assay frequently ordered with P2038 to assess systemic inflammation.
99000 | Handling and/or conveyance of specimen | Used in certain billing scenarios for special specimen handling or courier services related to laboratory testing.